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tools: acrn-crashlog: check the pointer after getting sender

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get_sender_from_name would return NULL if the name of sender is not
configured in acrnprobe.xml.
This patch check the return value of it.

Tracked-On: #1024
Signed-off-by: Liu, Xinwu <xinwu.liu@intel.com>
Reviewed-by: Huang Yonghua <yonghua.huang@intel.com>
Acked-by: Chen Gang <gang.c.chen@intel.com>
This commit is contained in:
Liu, Xinwu 2018-10-19 12:50:38 +08:00 committed by wenlingz
parent 2973db7839
commit 9368373fd9
1 changed files with 8 additions and 4 deletions
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12
tools/acrn-crashlog/acrnprobe/sender.c
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@ -463,7 +463,7 @@ free_class:
static void telemd_send_uptime(void) static void telemd_send_uptime(void)
{ {
struct sender_t *telemd; struct sender_t *telemd = get_sender_by_name("telemd");
struct uptime_t *uptime; struct uptime_t *uptime;
char *class; char *class;
char boot_time[UPTIME_SIZE]; char boot_time[UPTIME_SIZE];
@ -472,12 +472,14 @@ static void telemd_send_uptime(void)
static int uptime_hours; static int uptime_hours;
static int loop_uptime_event = 1; static int loop_uptime_event = 1;
if (!telemd)
return;
ret = get_uptime_string(boot_time, &hours); ret = get_uptime_string(boot_time, &hours);
if (ret < 0) { if (ret < 0) {
LOGE("cannot get uptime - %s\n", strerror(-ret)); LOGE("cannot get uptime - %s\n", strerror(-ret));
return; return;
} }
telemd = get_sender_by_name("telemd");
uptime = telemd->uptime; uptime = telemd->uptime;
uptime_hours = atoi(uptime->eventhours); uptime_hours = atoi(uptime->eventhours);
if (hours / uptime_hours >= loop_uptime_event) { if (hours / uptime_hours >= loop_uptime_event) {
@ -505,12 +507,14 @@ static void telemd_send_uptime(void)
static void telemd_send_reboot(void) static void telemd_send_reboot(void)
{ {
struct sender_t *telemd; struct sender_t *telemd = get_sender_by_name("telemd");
char *class; char *class;
char reason[REBOOT_REASON_SIZE]; char reason[REBOOT_REASON_SIZE];
int ret; int ret;
telemd = get_sender_by_name("telemd"); if (!telemd)
return;
if (swupdated(telemd)) { if (swupdated(telemd)) {
char *content; char *content;